Can someone please help me? :(

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.